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| General Bots Copyright (c) Pragmatismo.io. All rights reserved.             |
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\*****************************************************************************/

/**
 * @fileoverview Dialog for handling OAuth scenarios.
 */

'use strict';

import { TokenResponse } from 'botbuilder';
import { GBLog, GBMinInstance, IGBDialog } from 'botlib';
import { Messages } from '../strings.js';

/**
 * Dialogs for handling Menu control.
 */
export class OAuthDialog extends IGBDialog {
  public static getOAuthDialog (min: GBMinInstance) {
    return {
      id: '/auth',
      waterfall: [
        async step => {
          step.activeDialog.state.options = step.options;

          return await step.beginDialog('oAuthPrompt');
        },
        async step => {
          const tokenResponse: TokenResponse = step.result;
          if (tokenResponse) {
            GBLog.info('Token acquired.');

            return await step.endDialog(tokenResponse);
          } else {
            await step.context.sendActivity('Please sign in so I can show you your profile.');

            return await step.replaceDialog('/auth');
          }
        }
      ]
    };
  }
}